evie/android_kernel_oneplus_msm8998
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thermal: lmh_lite: Page align all the buffers to TZ

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All the buffers allocated for TZ related communication are not page
aligned. Make all the buffers page aligned.

Change-Id: I2640b20f35339449b9bf44c885e8baf9651596bc
Signed-off-by: Ram Chandrasekar <rkumbako@codeaurora.org>
This commit is contained in:
Ram Chandrasekar 2016-09-24 14:06:41 -06:00
parent 9de049bd7a
commit 6f1c232be3
1 changed files with 9 additions and 6 deletions
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15
drivers/thermal/lmh_lite.c
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@ -640,7 +640,7 @@ sens_exit:
static int lmh_get_sensor_list(void)
{
int ret = 0;
int ret = 0, buf_size = 0;
uint32_t size = 0, next = 0, idx = 0, count = 0;
struct scm_desc desc_arg;
struct lmh_sensor_packet *payload = NULL;
@ -649,12 +649,13 @@ static int lmh_get_sensor_list(void)
uint32_t size;
} cmd_buf;
payload = kzalloc(sizeof(*payload), GFP_KERNEL);
buf_size = PAGE_ALIGN(sizeof(*payload));
payload = kzalloc(buf_size, GFP_KERNEL);
if (!payload)
return -ENOMEM;
do {
memset(payload, 0, sizeof(*payload));
memset(payload, 0, buf_size);
payload->count = next;
cmd_buf.addr = SCM_BUFFER_PHYS(payload);
/* payload_phys may be a physical address > 4 GB */
@ -663,7 +664,7 @@ static int lmh_get_sensor_list(void)
lmh_sensor_packet);
desc_arg.arginfo = SCM_ARGS(2, SCM_RW, SCM_VAL);
trace_lmh_event_call("GET_SENSORS enter");
dmac_flush_range(payload, payload + sizeof(*payload));
dmac_flush_range(payload, payload + buf_size);
if (!is_scm_armv8())
ret = scm_call(SCM_SVC_LMH, LMH_GET_SENSORS,
(void *) &cmd_buf,
@ -881,7 +882,8 @@ static int lmh_debug_read(struct lmh_debug_ops *ops, uint32_t **buf)
if (curr_size != size) {
if (payload)
devm_kfree(lmh_data->dev, payload);
payload = devm_kzalloc(lmh_data->dev, size, GFP_KERNEL);
payload = devm_kzalloc(lmh_data->dev, PAGE_ALIGN(size),
GFP_KERNEL);
if (!payload) {
pr_err("payload buffer alloc failed\n");
ret = -ENOMEM;
@ -948,7 +950,8 @@ static int lmh_debug_config_write(uint32_t cmd_id, uint32_t *buf, int size)
trace_lmh_debug_data("Config LMH", buf, size);
size_bytes = (size - 3) * sizeof(uint32_t);
payload = devm_kzalloc(lmh_data->dev, size_bytes, GFP_KERNEL);
payload = devm_kzalloc(lmh_data->dev, PAGE_ALIGN(size_bytes),
GFP_KERNEL);
if (!payload) {
ret = -ENOMEM;
goto set_cfg_exit;